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Message-ID: <8ba44ad1-675f-92c2-0e13-6bf9c4f8e598@intel.com>
Date: Mon, 28 Nov 2022 15:49:33 -0800
From: Jacob Keller <jacob.e.keller@...el.com>
To: Ronak Doshi <doshir@...are.com>, <netdev@...r.kernel.org>
CC: VMware PV-Drivers Reviewers <pv-drivers@...are.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Guolin Yang <gyang@...are.com>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 net 2/2] vmxnet3: use correct intrConf reference when
using extended queues
On 11/28/2022 11:32 AM, Ronak Doshi wrote:
> 'Commit 39f9895a00f4 ("vmxnet3: add support for 32 Tx/Rx queues")'
> added support for 32Tx/Rx queues. As a part of this patch, intrConf
> structure was extended to incorporate increased queues.
>
Nit: no need to quote around the commit reference here.
I don't personally think its worth a re-roll to fix that, but good to be
aware of in future submission.
The patch itself makes sense.
Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
> This patch fixes the issue where incorrect reference is being used.
>
> Fixes: 39f9895a00f4 ("vmxnet3: add support for 32 Tx/Rx queues")
> Signed-off-by: Ronak Doshi <doshir@...are.com>
> Acked-by: Guolin Yang <gyang@...are.com>
> ---
> drivers/net/vmxnet3/vmxnet3_drv.c | 16 ++++++++++++++--
> 1 file changed, 14 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
> index 611e8a85de17..39a7e90d4254 100644
> --- a/drivers/net/vmxnet3/vmxnet3_drv.c
> +++ b/drivers/net/vmxnet3/vmxnet3_drv.c
> @@ -75,8 +75,14 @@ vmxnet3_enable_all_intrs(struct vmxnet3_adapter *adapter)
>
> for (i = 0; i < adapter->intr.num_intrs; i++)
> vmxnet3_enable_intr(adapter, i);
> - adapter->shared->devRead.intrConf.intrCtrl &=
> + if (!VMXNET3_VERSION_GE_6(adapter) ||
> + !adapter->queuesExtEnabled) {
> + adapter->shared->devRead.intrConf.intrCtrl &=
> cpu_to_le32(~VMXNET3_IC_DISABLE_ALL);
> + } else {
> + adapter->shared->devReadExt.intrConfExt.intrCtrl &=
> + cpu_to_le32(~VMXNET3_IC_DISABLE_ALL);
> + }
> }
>
>
> @@ -85,8 +91,14 @@ vmxnet3_disable_all_intrs(struct vmxnet3_adapter *adapter)
> {
> int i;
>
> - adapter->shared->devRead.intrConf.intrCtrl |=
> + if (!VMXNET3_VERSION_GE_6(adapter) ||
> + !adapter->queuesExtEnabled) {
> + adapter->shared->devRead.intrConf.intrCtrl |=
> cpu_to_le32(VMXNET3_IC_DISABLE_ALL);
> + } else {
> + adapter->shared->devReadExt.intrConfExt.intrCtrl |=
> + cpu_to_le32(VMXNET3_IC_DISABLE_ALL);
> + }
> for (i = 0; i < adapter->intr.num_intrs; i++)
> vmxnet3_disable_intr(adapter, i);
> }
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